diff options
| -rw-r--r-- | filter/source/graphicfilter/icgm/bitmap.cxx | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/filter/source/graphicfilter/icgm/bitmap.cxx b/filter/source/graphicfilter/icgm/bitmap.cxx index 825c90243e0a..025ab1fc588a 100644 --- a/filter/source/graphicfilter/icgm/bitmap.cxx +++ b/filter/source/graphicfilter/icgm/bitmap.cxx @@ -316,7 +316,15 @@ bool CGMBitmap::ImplGetDimensions( CGMBitmapDescriptor& rDesc ) rDesc.mbStatus = false; sal_uInt32 nHeaderSize = 2 + 3 * nPrecision + 3 * mpCGM->ImplGetPointSize(); - rDesc.mnScanSize = ( ( rDesc.mnX * rDesc.mnDstBitsPerPixel + 7 ) >> 3 ); + + sal_uInt32 nWidthBits; + if (o3tl::checked_multiply(rDesc.mnX, rDesc.mnDstBitsPerPixel, nWidthBits)) + { + rDesc.mbStatus = false; + return false; + } + + rDesc.mnScanSize = (nWidthBits + 7) >> 3; sal_uInt32 nScanSize; nScanSize = rDesc.mnScanSize; |